#pragma once
#include<cmath>
#include<array>

using namespace std;

array<double, 1> fA(double x)
{
	array<double, 1> temp = { 1.0 / (1 + 25 * x * x) };
	return temp;
}

array<double, 1> fC(double x)
{
	array<double, 1> temp = { 1.0 / (1 + x * x) };
	return temp;
}